Developer Tools•Free & Browser-Based
URL Encoder
Encode special characters, spaces, and parameters into percent-encoded strings for safe HTTP URLs and query strings.
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What is the Free Online URL Encoder?
URL encoding (also called percent-encoding) converts reserved and non-ASCII characters into `%` followed by two hexadecimal digits so they can be safely transmitted over the Internet in URLs.
100% Client-Side Privacy: Calculations and data processing occur entirely in your local browser memory. Zero files or personal inputs are uploaded to our servers.
How to Use URL Encoder Online: Step-by-Step Guide
- 1Enter raw URL or query parameter text.
- 2Choose standard: "Full URL (encodeURI)" or "Component/Param (encodeURIComponent)".
- 3Copy the percent-encoded string.
Real-World Calculation Example
`https://example.com/search?q=hello world & more` becomes `https://example.com/search?q=hello%20world%20%26%20more`
Pro Tips for Getting Accurate Results
- •Use component encoding when formatting individual query string values that contain characters like `&` or `=`.
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